Weightlifting bar collar



FIG. 1 is a perspective view of a weightlifting bar collar showing our new design;

FIG. 2 is a right side view of the weightlifting bar collar shown in FIG. 1;

FIG. 3 is a left side view of the weightlifting bar collar shown in FIG. 1;

FIG. 4 is a front view of a weightlifting bar collar shown in FIG. 1, the rear view being a mirror image thereof; and,

FIG. 5 is a top view of a weightlifting bar collar, the bottom view being a mirror image thereof.

The broken line portions of the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a weightlifting bar collar, as shown and described. 